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Twist Locks

Intermodal road twist locks are a component of flat bed road trailers or container trailer chassis (skeletal chassis). Twist locks lock ISO 1161 freight containers onto the vehicle.​ Twist locks come in many different designs and configurations. There are 2 main product design groups and 2 sub-groups: Retractable and Non-retractable. Both of these have the sub-groups of Screw-down or Non-screw down.

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Retractable Twist Locks

ML60-4 Twist Lock

ML60-4

This Container Twist Locks has been designed to secure ISO and special containers to rigid, skeletal and platform vehicle/chassis, in environmental conditions ranging from tropical to sub-zero.

  • Fabricated steel body ensures rugged strength and durability.

  • Simply fitted to vehicle/chassis, usually by welding.

  • Securing head retracts below deck level to allow non-containerized loads to be carried.

  • Container Twist Locks

  • Weight: 14.8 lbs/6.7 kg

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ML60-16

Fabricated, retractable, screw down twist lock. Optional third-lock can be purchased separately, and welded in place by end user for additional safety/security.

  • Fabricated steel body ensures rugged strength and durability.

  • Simply fitted to vehicle/chassis, usually by welding.

  • Securing head retracts below deck level to allow non-containerized loads to be carried.

  • Container Twist Locks

  • Weight: 15.8 lbs/7.2 kg

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KRY5

The rugged cast body on these units are far more durable than the fabricated bodies offered by other suppliers.

These “Front Locking Pins” mount laterally onto the front bolster of container tunnel chassis.

When the container is in place on the chassis, the pins are manually engaged into the front aperture of the lower container casting. This prevents vertical movement of the container.

8.0 lbs / 3.6 kg

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KRY7

Cast/Forged Steel "Drop In" Rear Locks

Commonly used in the rear position on container “tunnel chassis” in conjunction with our KRY-5 Front Locking Pin, (see above)

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KRY 102

Retractable container twist lock. 

This retractable twist lock is an economical alternative to the BLR 151 series, while offering many of the same features and advantages.

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KRY 103

Retractable Container Twist Lock

This double twist lock is intended for specific applications while providing a low-cost alternative to other models.

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BLR 151/2

This range of Container Twist Locks has been designed to secure ISO and special containers to rigid, skeletal and platform vehicle/chassis, in environmental conditions ranging from tropical to sub-zero.

  • Weldable cast steel body and forged stem to ensure rugged strength and durability

  • Simply fitted to vehicle/chassis, usually by welding

  • Securing head retracts below deck level to allow non-containerized loads to be carried

  • Container Twist Locks

  • Weight: 15.8 lbs/7.2 kg kg

Note: This twist lock is NOT recommended for tipping applications.

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BLR 151 MK3

This range of Container Twist Locks has been designed to secure ISO and special containers to rigid, skeletal and platform vehicles/chassis, in environmental conditions ranging from tropical to sub-zero.

  • Fabricated steel body and forged steel stem to ensure rugged strength and durability

  • Simply fitted to vehicle/chassis, usually by welding

  • Securing head retracts below deck level to allow non-containerized loads to be carried

  • Container Twist Locks

  • Weight:14.7 lbs/6.7 kg

Note: This twist lock is NOT recommended for tipping applications.
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BLR 1313

Retractable Container Twist Locks

Weight: 32 lbs/14.6 kg

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BLR148/RNS MK1

This range of Container Twist Locks has been designed to secure ISO and special containers to rigid vehicles, trailer chassis and rail wagons in environmental conditions ranging from tropical to sub-zero.

  • Simply fitted to the vehicle/chassis, usually by welding

  • Weldable cast steel body and forged steel stem to ensure rugged strength and durability

  • Securing head retracts below deck level to allow the carriage of non-containerized loads

  • Head can be engaged with container in position, an advantage to swop-body builders

  • Container Twist Locks

  • Weight: 19.6 lbs/8.9 kg

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BLR148/RNS MK2

This range of Container Twist Locks has been designed to secure ISO and special containers to rigid vehicles, trailer chassis and rail wagons in environmental conditions ranging from tropical to sub-zero.

  • Simply fitted to the vehicle/chassis, usually by welding

  • Weldable cast steel body and forged steel stem to ensure rugged strength and durability

  • Securing head retracts below deck level to allow the carriage of non-containerized loads

  • Weight: 18.7 lbs/8.5 kg

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BLR148/RS MK1

This range of Container Twist Locks has been designed to secure ISO and special containers to rigid vehicles, trailer chassis and rail wagons in environmental conditions ranging from tropical to sub-zero.

  • Simply fitted to the vehicle/chassis, usually by welding

  • Weldable cast steel body and forged steel stem to ensure rugged strength and durability

  • Securing head retracts below deck level to allow the carriage of non-containerized loads

  • Head can be engaged with container in position, an advantage to swop-body builders

  • Weight: 19.6 lbs/8.9 kg

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BLR148/RS MK2

Retractable Twist Locks

This range of Container Twist Locks has been designed to secure ISO and special containers to rigid vehicles, trailer chassis and rail wagons in environmental conditions ranging from tropical to sub-zero.

  • A.A.R. & TUV Approved

  • Simply fitted to vehicle/chassis, usually by welding

  • Weldable cast steel body and forged steel stem to ensure rugged strength and durability

  • Screwdown feature provides extra security

  • Optional third lock prevents accidental unscrewing of the handnut, as an additional safety feature

  • Weight: 21.3 lbs/9.7 kg

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BLR148/RS3 MK2

Retractable Twist Locks

This range of Container Twist Locks has been designed to secure ISO and special containers to rigid vehicles, trailer chassis and rail wagons in environmental conditions ranging from tropical to sub-zero.

  • A.A.R. & TUV Approved

  • Simply fitted to vehicle/chassis, usually by welding

  • Weldable cast steel body and forged steel stem to ensure rugged strength and durability

  • Screwdown feature provides extra security

  • Optional third lock prevents accidental unscrewing of the handnut, as an additional safety feature

  • Weight: 21.3 lbs/9.7 kg
     

Note: This twistlock is NOT recommended for tipping applications.
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BLR 1075

Ro-Ro Twist Lock

This range of Container Twist Locks has been designed to secure ISO and special containers to rigid vehicles, trailer chassis and rail wagons in environmental conditions ranging from tropical to sub-zero.

  • Swingdown type suitable for most roll-on, roll-off applications

  • Rugged design ensures long life and serviceability

  • Weight: 10.3 lbs/4.7 kg​​​​​​​​

Non-Retractable Container Twist Locks

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BLR149/2NR

This range of container twist locks has been designed to secure ISO and special containers to rigid vehicles, trailer chassis and rail wagons in environmental conditions ranging from tropical to sub-zero.

  • Simply fitted to vehicle/chassis, usually by welding

  • Weldable cast steel body and forged stem ensure rugged strength and durability.

  • Securing head remains above deck for loading containers in the shortest possible time

  • Weight: 15.2 lbs/6.9 kg
     

Note: This twist lock is NOT recommended for tipping applications.
See BLR 149/NRS3 HTS for tipping applications.
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BLR149/NRS3

This range of Container Twist Locks has been designed to secure ISO and special containers to rigid vehicles, trailer chassis and rail wagons in environmental conditions ranging from tropical to sub-zero.

  • Simply fitted to vehicle/chassis, usually by welding

  • Weldable cast steel body and forged steel stem ensure rugged strength and durability

  • Securing head remains above deck for loading containers in the shortest possible time

  • Handnut feature provides security

  • For additional security, the optional third lock prevents accidental unscrewing of the handnut

  • Weight: 17.8 lbs/7.9 kg

Note:  This twistlock IS suitable for tipping applications, but MUST be fitted with high tensile stem
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BLR 1650

Weight: 17.8 lbs/7.9 kg

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KRY 45

Dovetail Twist Lock

Dovetail type container twist lock; 45-degree

  • Proof tested in tension to 250KN

  • Proof tested in shear to 210KN

  • Minimum Breaking Strength (MBS) in tension at 500KN

  • Minimum Breaking Strength (MBS) in shear at 420KN

  • Weight: 14.8 lbs/6.7 kg
     

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Dovetail Lock with Mounting Plate/Base Plate

KRY 45 MP

Dovetail type container twist lock; 45-degree

  • Mounting Plate to customer’s specification

  • Proof tested in shear to 210KN

  • Proof tested in tension to 250KN

  • Proof tested in shear to 210KN

  • Minimum Breaking Strength (MBS) in tension at 500KN

  • Minimum Breaking Strength (MBS) in shear at 420KN

  • Weight: 14.8 lbs/6.7 kg plus Baseplate weight
     

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Non-Retractable Marine Twist Lock

Manual vertical inter box connector.

  • Designed as container-to-deck locking device

  • Secures with safety deck-borne containers stacked three-high up to a stack load of 45 tons

  • Cast body and forged steel heads offer rugged strength and durability

  • Handle position acts as visual indicator as to locked/unlocked position

  • Weight: 14.3 lbs/6.5 kg

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Semi Automatic Vertical IBC

KRY 1530

Automatically locks when a standard ISO1161 corner fitting engages vertically.

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End Aperture Plug Lug

KRY 6372

Can be attached to the end aperture of an ISO corner casting and/or side apertures of upper and lower corner castings; once twisted into position, a spring-loaded pin prevents accidental removal.

  1. Insert lug into oval-shaped end aperture until it stops

  2. While depressing the spring-loaded pin, rotate lug 90 degrees in either direction

  3. Pull lug back out until pin extends

  4. To remove, reverse the operation

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ML86-4

This twist lock is suitable for use on rail cars as well as flatracks, and offers the strength and durability of a combined cast-steel and fabricated construction.

  • Holes for AAR seals

  • Body aperture for side marker light

  • Third-lock for added security

  • Grease nipple

  • Weight: 21.0 lbs/9.5 kg

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BLR148/RNS MK1

These products are made from special steel designed for low temperature working at -40°C as standard.

Designed to secure ISO, special containers and Swap Bodies to rail wagons.

Accepted by British Rail.

  • Weldable cast steel body ensures rugged strength and durability

  • Interchangeable UIC type design incorporating “Twistlock” features

  • Hinges back when not in use

  • Operating handle option extra

Aerial View of Containers

Request a Quote 

Reach out to us for all of your twist lock needs. Our team will quickly respond back with products and a quote to best suit your needs. 

847-487-4907

1000 N Rand Rd. Suite #117 Wauconda, IL 60084

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